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47707742 = 233770783
BaseRepresentation
bin1011010111111…
…1011001011110
310022202210201102
42311333121132
544203121432
64422313102
71116336425
oct265773136
9108683642
1047707742
1124a25595
1213b88792
139b64c44
14649c2bc
1542c5962
hex2d7f65e

47707742 has 8 divisors (see below), whose sum is σ = 71774976. Its totient is φ = 23782752.

The previous prime is 47707741. The next prime is 47707771. The reversal of 47707742 is 24770774.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 47707696 and 47707705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47707741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34718 + ... + 36065.

It is an arithmetic number, because the mean of its divisors is an integer number (8971872).

Almost surely, 247707742 is an apocalyptic number.

47707742 is a deficient number, since it is larger than the sum of its proper divisors (24067234).

47707742 is a wasteful number, since it uses less digits than its factorization.

47707742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71122.

The product of its (nonzero) digits is 76832, while the sum is 38.

The square root of 47707742 is about 6907.0791221760. The cubic root of 47707742 is about 362.6850219964.

The spelling of 47707742 in words is "forty-seven million, seven hundred seven thousand, seven hundred forty-two".

Divisors: 1 2 337 674 70783 141566 23853871 47707742